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refactor: mnode snapshot

This commit is contained in:
Shengliang Guan 2022-05-29 13:14:36 +08:00
parent 03ad46c0b9
commit edb7a2c0b2
2 changed files with 43 additions and 35 deletions
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77
source/dnode/mnode/impl/src/mndSync.c
View File

@ -68,37 +68,11 @@ void mndRestoreFinish(struct SSyncFSM *pFsm) {
mInfo("mnode sync restore finished");
mndTransPullup(pMnode);
mndSetRestore(pMnode, true);
} else {
mInfo("mnode sync restore finished, and will set ready after first deploy");
}
}
int32_t mndSnapshotRead(struct SSyncFSM *pFsm, const SSnapshot *pSnapshot, void **ppIter, char **ppBuf, int32_t *len) {
SMnode *pMnode = pFsm->data;
mInfo("start to read snapshot from sdb");
// sdbStartRead
// sdbDoRead
// sdbStopRead
return 0;
}
int32_t mndSnapshotApply(struct SSyncFSM *pFsm, const SSnapshot *pSnapshot, char *pBuf, int32_t len) {
SMnode *pMnode = pFsm->data;
// sdbStartWrite
// sdbDoWrite
mndSetRestore(pMnode, false);
mInfo("start to apply snapshot to sdb");
// sdbStopWrite
mInfo("successfully to apply snapshot to sdb");
mndSetRestore(pMnode, true);
// taosMemoryFree(pBuf);
return 0;
}
void mndReConfig(struct SSyncFSM *pFsm, SSyncCfg newCfg, SReConfigCbMeta cbMeta) {
SMnode *pMnode = pFsm->data;
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
@ -115,20 +89,55 @@ void mndReConfig(struct SSyncFSM *pFsm, SSyncCfg newCfg, SReConfigCbMeta cbMeta)
}
}
int32_t mndSnapshotStartRead(struct SSyncFSM *pFsm, void **ppReader) {
mInfo("start to read snapshot from sdb");
SMnode *pMnode = pFsm->data;
return sdbStartRead(pMnode->pSdb, (SSdbIter **)ppReader);
}
int32_t mndSnapshotStopRead(struct SSyncFSM *pFsm, void *pReader) {
mInfo("stop to read snapshot from sdb");
SMnode *pMnode = pFsm->data;
return sdbStopRead(pMnode->pSdb, pReader);
}
int32_t mndSnapshotDoRead(struct SSyncFSM *pFsm, void *pReader, void **ppBuf, int32_t *len) {
SMnode *pMnode = pFsm->data;
return sdbDoRead(pMnode->pSdb, pReader, ppBuf, len);
}
int32_t mndSnapshotStartWrite(struct SSyncFSM *pFsm, void **ppWriter) {
mInfo("start to apply snapshot to sdb");
SMnode *pMnode = pFsm->data;
return sdbStartWrite(pMnode->pSdb, (SSdbIter **)ppWriter);
}
int32_t mndSnapshotStopWrite(struct SSyncFSM *pFsm, void *pWriter, bool isApply) {
mInfo("stop to apply snapshot to sdb, apply:%d", isApply);
SMnode *pMnode = pFsm->data;
return sdbStopWrite(pMnode->pSdb, pWriter, isApply);
}
int32_t mndSnapshotDoWrite(struct SSyncFSM *pFsm, void *pWriter, void *pBuf, int32_t len) {
SMnode *pMnode = pFsm->data;
return sdbDoWrite(pMnode->pSdb, pWriter, pBuf, len);
}
SSyncFSM *mndSyncMakeFsm(SMnode *pMnode) {
SSyncFSM *pFsm = taosMemoryCalloc(1, sizeof(SSyncFSM));
memset(pFsm, 0, sizeof(*pFsm));
pFsm->data = pMnode;
pFsm->FpCommitCb = mndSyncCommitMsg;
pFsm->FpPreCommitCb = NULL;
pFsm->FpRollBackCb = NULL;
pFsm->FpGetSnapshot = mndSyncGetSnapshot;
pFsm->FpRestoreFinishCb = mndRestoreFinish;
pFsm->FpReConfigCb = mndReConfig;
pFsm->FpGetSnapshot = mndSyncGetSnapshot;
pFsm->FpSnapshotStartRead = mndSnapshotStartRead;
pFsm->FpSnapshotStopRead = mndSnapshotStopRead;
pFsm->FpSnapshotDoRead = mndSnapshotDoRead;
pFsm->FpSnapshotStartWrite = mndSnapshotStartWrite;
pFsm->FpSnapshotStopWrite = mndSnapshotStopWrite;
pFsm->FpSnapshotDoWrite = mndSnapshotDoWrite;
return pFsm;
}

1
source/dnode/mnode/sdb/src/sdbFile.c
View File

@ -522,7 +522,6 @@ int32_t sdbDoRead(SSdb *pSdb, SSdbIter *pIter, void **ppBuf, int32_t *len) {
void *pBuf = taosMemoryCalloc(1, maxlen);
if (pBuf == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
sdbCloseIter(pIter);
return -1;
}